Drug interactions
Nortriptyline + Osilodrostat
Severity: Major
Nortriptyline and Osilodrostat: major interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both drugs can prolong the QT interval, so combined use may increase the risk of torsades de pointes. Osilodrostat can also lower potassium, adding to the risk.
What this interaction means in plain words
Nortriptyline and Osilodrostat can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Nortriptyline belongs to Central Nervous System; Osilodrostat belongs to Endocrine.
Why it happens
Additive QT prolongation, with osilodrostat-associated hypokalemia as a further risk factor.
What to do
Obtain a baseline ECG and monitor it, and keep potassium and magnesium within normal range. Consider an alternative if QTc becomes markedly prolonged.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Nortriptyline
- Disopyramide + Nortriptyline Contraindicated
- Dofetilide + Nortriptyline Contraindicated
- Dronedarone + Nortriptyline Contraindicated
- Ibutilide + Nortriptyline Contraindicated
- Isocarboxazid + Nortriptyline Contraindicated
- Methylene blue + Nortriptyline Contraindicated
Other interactions of Osilodrostat
Frequently asked questions
Can I take Nortriptyline with Osilodrostat?
MediHelp rates the interaction as major. Nortriptyline and Osilodrostat can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can prolong the QT interval, so combined use may increase the risk of torsades de pointes. Osilodrostat can also lower potassium, adding to the risk.
How serious is the interaction between Nortriptyline and Osilodrostat?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor it, and keep potassium and magnesium within normal range. Consider an alternative if QTc becomes markedly prolonged.
What other medicines interact with Nortriptyline?
MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.
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